[백준] 11651번 좌표정렬하기_2

https://www.acmicpc.net/problem/11651

 

fun main() = with(Scanner(System.`in`)) {
    val size = nextInt()
    val array: MutableList<Position> = mutableListOf()
    for (i in 0 until size) {
        val x = nextInt()
        val y = nextInt()
        array.add(Position(x, y))
    }

    array.sortedWith(compareBy({ it.y }, { it.x }))
        .forEach { println("${it.x} ${it.y}") }
}

data class Position(val x: Int, val y: Int)